公开(公告)号：KR1020040046649A

公开(公告)日：2004-06-05

申请号：KR1020020074639

申请日：2002-11-28

Applicant: 삼성전자주식회사

Inventor： 김기현 ,  박인식 ,  심재성 ,  한성휴

IPC: G11B20/10

CPC classification number: H03M13/29 ,  H03M13/1102 ,  H03M13/2957 ,  H03M13/2966 ,  H03M13/3746

Abstract: PURPOSE: An encoding device for correcting an error and a method thereof, and a decoding device and the method are provided to improve an error detecting/correcting performance when data is decoded by performing a soft encoding method after interleaving the soft encoded data. CONSTITUTION: The first soft encoder(111) performs a soft encoding operation according to the soft encoding method for correcting the error of the input data. The second soft encoder(112) performs the soft encoding operation according to the soft encoding method for correcting the error of the encoded data output from the first soft encoder. A modulator(113) modulates the data encoded from the encoders by using an RLL(Run-Length Limit) code. A demodulator(131) demodulates/outputs the modulated data to the first soft decoder(132). The first soft decoder performs a soft decoding operation according to the soft decoding method for correcting the error of the input data. The second soft decoder(133) performs a repetition decoding method by feeding the soft decoded data and the additional information representing that the decoded data is the successful decoded data to the first soft decoder.

Abstract translation: 目的：提供一种用于纠正错误的编码装置及其方法，以及解码装置和方法，用于在交织软编码数据之后执行软编码方法来改进数据解码时的错误检测/校正性能。 构成：第一软编码器（111）根据用于校正输入数据的误差的软编码方式执行软编码操作。 第二软编码器（112）根据用于校正从第一软编码器输出的编码数据的误差的软编码方法执行软编码操作。 调制器（113）通过使用RLL（运行长度限制）代码来调制从编码器编码的数据。 解调器（131）将调制数据解调/输出到第一软解码器（132）。 第一软解码器根据用于校正输入数据的误差的软解码方法执行软解码操作。 第二软解码器（133）通过将软解码数据和表示解码数据是成功解码数据的附加信息馈送到第一软解码器来执行重复解码方法。

公开(公告)号：KR1020040040279A

公开(公告)日：2004-05-12

申请号：KR1020030002510

申请日：2003-01-14

Applicant: 삼성전자주식회사

Inventor： 황성희 ,  이경근 ,  고정완 ,  박인식 ,  심재성

IPC: G11B20/12

Abstract: PURPOSE: A data storage media, and its media recording and regenerating system and method are provided to define a link area at a ROM type disc, and to efficiently use the link area with respect to a record space usage while an interoperability between a rewritable disc and a drive is maintained. CONSTITUTION: The media comprises ECC(Error Correction Code) blocks and corresponding link areas at one record layer. The ECC blocks and their corresponding link areas are alternately arranged on the record layer. The link area includes plural frames. Frame synchronization data is recorded at a head of each frame. Data fields and address fields are alternately arranged next the frame synchronization data in the each frame.

Abstract translation: 目的：提供数据存储介质及其媒体记录和再生系统和方法来定义ROM型盘上的链路区域，并且有效地使用关于记录空间使用的链路区域，同时可重写盘之间的互操作性 并维护一个驱动器。 构成：介质包括一个记录层的ECC（纠错码）块和相应的链路区域。 ECC块及其对应的链路区域交替地布置在记录层上。 链接区域包括多个帧。 帧同步数据记录在每帧的头部。 数据字段和地址字段交替地布置在每帧中的帧同步数据的旁边。

公开(公告)号：KR1020040037036A

公开(公告)日：2004-05-04

申请号：KR1020040022496

申请日：2004-04-01

Applicant: 삼성전자주식회사

Inventor： 심재성

IPC: G11B20/12

Abstract: PURPOSE: A scrambling method is provided to offer a scrambler and the scrambling method fit to a high density optical disc system by controlling a generation period of random data. CONSTITUTION: A random data generation period of a random data generator is used as the first data frame size. A data volume in the outmost two tracks is divided by the second data frame size. The first data frame size and an operation result are added. The random data is generated by using the result. The first data frame size is a sector. The second data frame size is an error correction block.

Abstract translation: 目的：提供一种加扰方法，通过控制随机数据的生成周期来提供加扰器和加密方法适合于高密度光盘系统。 构成：使用随机数据生成器的随机数据生成周期作为第一数据帧大小。 最外面的两个轨道中的数据量除以第二数据帧大小。 添加第一数据帧大小和操作结果。 使用结果生成随机数据。 第一个数据帧大小是扇区。 第二数据帧大小是纠错块。

公开(公告)号：KR1020040033554A

公开(公告)日：2004-04-28

申请号：KR1020020062692

申请日：2002-10-15

Applicant: 삼성전자주식회사

Inventor： 김기현 ,  박인식 ,  심재성 ,  한성휴

IPC: G06F11/10

CPC classification number: H03M13/11

Abstract: PURPOSE: A device and a method for coding error correction are provided to satisfy a property needed for a parity check matrix by moving a position of components generating a cycle among the components of the generated parity check matrix, and enhance an LDPC(Low Density Parity Code) decoding performance by generating the parity check matrix removing the cycle. CONSTITUTION: A parity check matrix generator(110) generates the parity check matrix respectively including the components having an 1-component value for each row and column, and other components having a 0-component value. A parity check matrix adjuster(130) searches a cycle forming group from the parity check matrix by receiving the parity check matrix from the parity check matrix generator. If the cycle forming group is existed more than one, the parity check matrix adjuster outputs the parity check matrix that the cycle forming group is removed by replacing the 1-component value with the 0-component value of the cycle forming group. An LDPC coder(150) performs the LDPC coding by receiving the parity check matrix that the cycle forming group is removed and a message word.

Abstract translation: 目的：提供一种用于编码纠错的装置和方法，以通过移动产生生成的奇偶校验矩阵的分量之间的周期的分量的位置来满足奇偶校验矩阵所需的属性，并且增强LDPC（低密度奇偶校验 代码）通过生成奇偶校验矩阵去除周期来解码性能。 构成：奇偶校验矩阵生成器（110）生成奇偶校验矩阵，其分别包括具有每个行和列的1-分量值的分量，以及具有零分量值的其他分量。 奇偶校验矩阵调整器（130）通过从奇偶校验矩阵生成器接收奇偶校验矩阵来从奇偶校验矩阵搜索循环形成组。 如果循环形成组存在多于一个，则奇偶校验矩阵调整器通过用循环形成组的0分量值替换1分量值来输出循环形成组被去除的奇偶校验矩阵。 LDPC编码器（150）通过接收删除循环形成组的奇偶校验矩阵和消息字来执行LDPC编码。

公开(公告)号：KR1020040022380A

公开(公告)日：2004-03-12

申请号：KR1020030031907

申请日：2003-05-20

Applicant: 삼성전자주식회사

Inventor： 이경근 ,  박인식 ,  노명도 ,  정종삼 ,  심재성 ,  박창민 ,  박현수 ,  윤두섭

IPC: G11B7/007

CPC classification number: G11B7/00736

Abstract: PURPOSE: An optical information storage medium and a recording and/or reproducing method thereof are provided to simplify a process of manufacturing the optical information storage medium. CONSTITUTION: An optical information storage medium includes a read-in region(10), a user data region(13), and a read-out region(15). Data is recorded in a part of the read-in region or the entire read-in region as wobbling pits, and data is recorded in other regions as pits. The region in which the data is recorded as the wobbling pits is a region where information that is not changed for the same physical format is recorded. The region in which the wobbling pits are recorded records information related with the storage medium. The region in which the data is recorded as the wobbling pits has a data recording modulation method different from a data recording modulation method of the region in which the data is recorded as the pits.

Abstract translation: 目的：提供一种光学信息存储介质及其记录和/或再现方法，以简化光学信息存储介质的制造过程。 构成：光学信息存储介质包括读入区域（10），用户数据区域（13）和读出区域（15）。 将数据记录在读入区域或整个读入区域的一部分中作为摆动凹坑，并将数据作为凹坑记录在其他区域中。 记录数据作为摆动凹坑的区域是记录对于相同物理格式不改变的信息的区域。 记录摆动坑的区域记录与存储介质相关的信息。 将数据记录为摆动凹坑的区域具有与将数据记录为凹坑的区域的数据记录调制方法不同的数据记录调制方法。

公开(公告)号：KR100421004B1

公开(公告)日：2004-03-03

申请号：KR1020010021360

申请日：2001-04-20

Applicant: 삼성전자주식회사

Inventor： 심재성 ,  김기현 ,  박현수 ,  마붑이크발 ,  정규해

IPC: G11B20/10

CPC classification number: G11B20/1426 ,  G11B2020/1457 ,  H03M5/145 ,  H03M7/46

Abstract: A method for generating and allocating codewords is provided. The method includes allocating one of two selectable codewords b1 and b2 as codeword b when a preceding codeword a and a following codeword b form a code stream X, in which codewords b1 and b2 have opposite INVs which are parameters indicating whether the number of '1s' contained in a codeword is an odd number or an even number and when the code stream of a and b1 is X1, and the code stream of a and b2 is X2, allocating codewords such that the INVs of X1 and X2 are maintained to be opposite when a or b1(b2) should be replaced by another codewords in compliance with a predetermined boundary condition given between codewords. According to the method, by using a short codeword having less bits as a main conversion codeword, high efficiency is achieved in recording density. Also, when codewords which do not satisfy the run length conditions are replaced by other codewords, the codewords are allocated so that the DC suppression capability of the code stream can be maintained, and therefore higher DC suppression capability of the code stream is provided.

Abstract translation: 提供了一种用于生成和分配码字的方法。 该方法包括当前一个码字a和后一个码字b形成码流X时，将两个可选码字b1和b2中的一个分配为码字b，其中码字b1和b2具有相反的INV，这些INV是表示“1” '包含在码字中的是奇数或偶数，并且当a和b1的码流是X1并且a和b2的码流是X2时，分配码字，使得X1和X2的INV保持为 相反，当a或b1（b2）应该被替换为符合码字之间给定的预定边界条件的另一码字时。 根据该方法，通过使用具有较少比特的短码字作为主转换码字，实现记录密度的高效率。 另外，当不满足游程长度条件的码字被其他码字替换时，码字被分配，使得码流的DC抑制能力可以被保持，并且因此提供更高的码流的DC抑制能力。 ＆lt;图像＆GT;

公开(公告)号：KR1020030093488A

公开(公告)日：2003-12-11

申请号：KR1020020031064

申请日：2002-06-03

Applicant: 삼성전자주식회사

Inventor： 박현수 ,  심재성 ,  김기현

IPC: G11B20/10

Abstract: PURPOSE: A digital PLL circuit using wobble signals of an optical recording medium is provided to carry out the precise control without any current leakage for improving the stability of an optical recording medium playing system and assign the digital time constant required by the PLL circuit from the outside for removing the circuit change according to the change of speed. CONSTITUTION: A digital PLL circuit using wobble signals of an optical recording medium includes a PFD(Phase Frequency Detector;400) and a loop filter(410). The PFD includes first and second logic parts(401,402) and detects a phase difference and the detected phase difference is output as a binary signal. The digital filter includes IIR(Infinite Impulse Response) filter(411) for passing only low frequency parts of an input phase difference signal, an integrator(412) for integrating the input phase difference signal to track DC components of the raw wobble signal, and an adder(413) for adding outputs from the IIR filter and the integrator, and carries out digital-filtering of the binary signal output from the PFD to track a DC voltage value of the raw wobble signal.

Abstract translation: 目的：提供使用光学记录介质的摆动信号的数字PLL电路，以执行精确的控制而没有任何电流泄漏，以提高光学记录介质播放系统的稳定性，并将PLL电路所需的数字时间常数从 外部根据速度的变化消除电路的变化。 构成：使用光记录介质的摆动信号的数字PLL电路包括PFD（相位检波器; 400）和环路滤波器（410）。 PFD包括第一和第二逻辑部分（401,402）并且检测相位差，并且检测到的相位差被输出为二进制信号。 数字滤波器包括用于仅通过输入相位差信号的低频部分的IIR（无限脉冲响应）滤波器（411），用于对输入的相位差信号进行积分以跟踪原始摆动信号的DC分量的积分器（412），以及 加法器（413），用于将来自IIR滤波器和积分器的输出相加，并对从PFD输出的二进制信号进行数字滤波，以跟踪原始摆动信号的直流电压值。

公开(公告)号：KR1020030090167A

公开(公告)日：2003-11-28

申请号：KR1020020028168

申请日：2002-05-21

Applicant: 삼성전자주식회사

Inventor： 박현수 ,  심재성

IPC: G11B7/005 ,  G11B7/131

CPC classification number: G11B20/10009 ,  G11B7/005 ,  G11B20/10037 ,  G11B20/10046 ,  G11B20/10203 ,  G11B20/10296 ,  G11B20/10481 ,  G11B2007/0006 ,  G11B2020/10888 ,  G11B2020/1457

Abstract: PURPOSE: An apparatus for reproducing data of an optical recording medium using a multiple detector is provided to improve the efficiency of signal reproduction by selecting the optimum detector. CONSTITUTION: A preprocessor(300) filters a signal read from an optical recording medium for obtaining an RF signal. A multiple detecting unit(310) is formed of n detectors for detecting the RF signal to output a binarization result. A delay unit(320) is formed of delay circuits connected with the n detectors respectively for delaying the binarization result of each detector. An RF signal quality measuring unit(330) measures the quality of the RF signal inputted to measure binary output signals of the detectors. A switch(340) receives a detector selecting signal for selecting the corresponding detector. A binary signal quality measuring unit(350) measures the quality of a binary signal selected from the switch. A control unit(360) judges the performance of the detectors and generates a selection control signal to select one detector out of the multiple detecting unit.

Abstract translation: 目的：提供一种用于使用多重检测器再现光记录介质的数据的设备，以通过选择最佳检测器来提高信号再现的效率。 构成：预处理器（300）对从光学记录介质读取的信号进行滤波以获得RF信号。 多个检测单元（310）由n个检测器形成，用于检测RF信号以输出二值化结果。 延迟单元（320）由分别与n个检测器连接的延迟电路构成，用于延迟每个检测器的二值化结果。 RF信号质量测量单元（330）测量输入的RF信号的质量以测量检测器的二进制输出信号。 开关（340）接收用于选择相应检测器的检测器选择信号。 二进制信号质量测量单元（350）测量从开关选择的二进制信号的质量。 控制单元（360）判断检测器的性能，并产生选择控制信号以从多个检测单元中选出一个检测器。

公开(公告)号：KR100385978B1

公开(公告)日：2003-06-02

申请号：KR1020000072122

申请日：2000-11-30

Applicant: 삼성전자주식회사

Inventor： 김기현 ,  서중언 ,  심재성

IPC: G11B20/18

CPC classification number: H04L1/20 ,  H04L1/0036 ,  H04L1/0052 ,  H04L1/0054

Abstract: A maximum error region determining unit determines a region having a maximum likelihood of error from a channel signal y(t). An optimal path searching unit uses only an error signal at the region having a maximum likelihood of error to find a minimum error generation path and to correct the error signal. A signal recovery unit applies a predetermined algorithm to the channel signal y(t) in which a part of the signal has been corrected by the optimal path searching unit in order to recover an original recorded signal a k . The signal processing apparatus and method search for an optimal path of a channel signal only in the maximum error generation region, thereby reducing complexity and simplifying implementing hardware while allowing for signal processing without change in hardware where changes in a channel model or conditions of an input signal occur.

Abstract translation: 最大误差区域确定单元从信道信号y（t）中确定具有最大错误可能性的区域。 最佳路径搜索单元仅在具有最大错误可能性的区域处使用错误信号来找到最小错误生成路径并校正错误信号。 信号恢复单元将预定算法应用于通过最佳路径搜索单元已经校正了信号的一部分的信道信号y（t），以便恢复原始记录信号a＆lt; SUB＆gt; k＆lt; / SUB＆gt ;. 信号处理设备和方法仅在最大误差产生区域中搜索信道信号的最佳路径，从而降低了复杂度并且简化了实现硬件，同时允许信号处理而不改变硬件，其中改变了信道模型或输入条件 信号发生。

公开(公告)号：KR100370223B1

公开(公告)日：2003-02-05

申请号：KR1020010005370

申请日：2001-02-05

Applicant: 삼성전자주식회사

Inventor： 심재성 ,  고정완 ,  김기현 ,  박현수 ,  이경근

IPC: G11B20/10

CPC classification number: G11B20/1426 ,  G11B7/00745 ,  G11B20/1217 ,  G11B20/18 ,  G11B27/3027 ,  G11B2020/1434 ,  G11B2220/216 ,  G11B2220/218 ,  G11B2220/2562 ,  G11B2220/2575

Abstract: A method of and an apparatus for modulating data to be resistant to channel distortion. A space extending encoder performs a first code transformation to extend a run length of digitized data to a predetermined length and outputs the space-extended data. A multiplexer multiplexes the space-extended data and data transformed by a predetermined second code transformation. A format converter converts the multiplexed data into a predetermined format which is suitable for writing to a recording medium. The apparatus and method enable recorded data to be resistant to channel distortion, enable the data to be recorded with increased recording density, and enable the data written to the recording medium to be reproduced with improved reliability.

Abstract translation: 一种用于调制数据以抵抗信道失真的方法和设备。 空间扩展编码器执行第一代码变换以将数字化数据的游程长度延长到预定长度并输出空间扩展数据。 多路复用器多路复用由预定的第二代码转换所转换的空间扩展数据和数据。 格式转换器将复用数据转换成适合于写入记录介质的预定格式。 该设备和方法使得记录的数据能够抵抗通道失真，使得数据能够以增加的记录密度被记录，并且使得写入到记录介质的数据能够以改进的可靠性被再现。